[git commit] _scanf.c: fix to signedness warnings

[Bernhard Reutner-Fischer]

commit: http://git.uclibc.org/uClibc/commit/?id=b5b89546cac76aeb6d18b36418edda2175f88eca
branch: http://git.uclibc.org/uClibc/commit/?id=refs/heads/master

Signed-off-by: Peter S. Mazinger <ps.m at gmx.net>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop at gmail.com>
---
 libc/stdio/_scanf.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/libc/stdio/_scanf.c b/libc/stdio/_scanf.c
index 0adb5f5..9aa1d52 100644
--- a/libc/stdio/_scanf.c
+++ b/libc/stdio/_scanf.c
@@ -377,9 +377,9 @@ int vswscanf(const wchar_t * __restrict str, const wchar_t * __restrict format,
 	FILE f;
 
 	f.__bufstart =
-	f.__bufpos = (char *) str;
+	f.__bufpos = (unsigned char *) str;
 	f.__bufread =
-	f.__bufend = (char *)(str + wcslen(str));
+	f.__bufend = (unsigned char *)(str + wcslen(str));
 	__STDIO_STREAM_DISABLE_GETC(&f);
 	__STDIO_STREAM_DISABLE_PUTC(&f);